Update: Carbon Dioxide Concentration
December 2019's global average concentration of atmospheric carbon dioxide (CO2) was about 412 parts per million (ppm), up roughly 24 ppm from December 2009.
Update: Global Surface Temperature
Keeping an eye on climate? We have updated our "vital sign" dashboard with the latest global temperature data.
Video: Global Transport of Australian Bushfire Smoke
Smoke from the Australian bushfires is making its way around the world, interacting with global weather and distributing aerosols—ultraviolet-absorbing particles in the air—along the way.
Images of Change: Drought Shrinks Southern Africa's Lake Kariba
As of December 2019, Lake Kariba, the world's largest reservoir by volume, was at 10 to 20 percent of capacity.
Images of Change: Shanghai, China, Adds Land
China's Shanghai metropolitan area has expanded into the East China Sea through land-reclamation techniques, adding well over 220 square miles (570 square kilometers).
In Case You Missed It: Climate Change in Spanish (cambio climático en español)
Our background articles and animated videos about climate change are now available in Spanish. (Nuestros artículos de fondo y videos animados sobre el cambio climático ahora están disponibles en español.)
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